Principal Wireless Communication Systems Design Engineer

Job Description & Responsibilities

Persistent Systems is seeking a Principal Wireless Communication Systems Design Engineer to join our team and be based in our NYC headquarters. In this role, you will be part of a best-in-class Ad Hoc Network system engineering development team. You will work closely with the teams like architecture, RF, FPGA, Software and DSP for the FPGA based SDR (software defined radio) design. You will involve the SDR system performance evaluation, data analysis, issues troubleshooting and performance optimization (power efficiency, signal quality, size of logic resources) to meet the System Design Specifications.

Position Responsibilities

• Direct responsibility for development of Crest Factor Reduction and Digital Predistortion
• Provide specifications and reference algorithms for RF, SW, and DSP implementations
• Conduct SDR/RF ASIC systems validation and analysis
• Propose design and process changes for handling RX jamming and multi-radio coexistence issues considering trade-offs and implementation constraints
• Interface with our internal SW/FPGA/DSP group to relay the results of the system performance
• Collaborate to identify and solve performance issues within the RF and FPGA/DSP sub-systems
• Responsible for providing RF transceiver calibration algorithm and defining the testing methods
• Measure, Optimize and ensure baseband application is performing optimally

Job Qualifications & Experience

Minimum Qualifications

• Bachelor’s degree in electrical engineering, computer science, mathematics, physics, or a related field
• 10 years’ experience as Electronics Engineer, Radio Frequency Engineer, or related field
• 120 months of experience in wireless communication systems design, modeling, analysis and troubleshooting
• 120 months of experience in RF transceiver design including system architecture and system specifications
• 120 months of experience in RF transmitter and receiver component’s level design including mixer, synthesizer, LNA, PA and antenna
• 60 months of experience in RX AGC operation and optimization in the presence of different interferer conditions
• 60 months of experience in improving efficiency and linearity of the high power GaN amplifiers by using Crest Factor Reduction (CFR) and Digital Predistortion (DPD) techniques.
• 120 months of experience in 802.11 wireless system
• 60 months of experience in FPGA based SDR (software defined radio) design with solid knowledge of Wireless PHY, RF data-path and control algorithms
• 96 months of experience in leading RF radio development, identifying and analyzing critical requirements and providing deep dive assessments with respect to critical metric impact,
• timeline and risks
• 120 months of experience in working with RF lab equipment (i.e., VNA, VSG, VSA…)
• 120 months of experience in using simulation tools such as CST Microwave Studio, AWR Microwave Office, and MATLAB

Total compensation for this role can vary from $180,000 to $220,000 a year based on individual qualifications. Eligibility for yearly discretionary bonus. Persistent Systems, LLC offers a comprehensive benefits package including medical, dental, vision, life, and disability insurance; paid time off (sick time and vacation time); flexible spending accounts; 401(k) plan with company match; fitness membership reimbursement; tuition assistance; mental health benefits; and pet discounts.

Company Overview

Persistent Systems, LLC is a leading global provider of mobile networking solutions for military, first responder, government, and commercial markets. We engineer our Wave Relay® MANET and Cloud Relay™ technology to transmit voice, video, and situational awareness under the most difficult conditions. Through the Wave Relay® Ecosystem, an alliance of industry-leading companies, Persistent unites warfighters, UGVs, UAVs, sensors, cameras, and devices on a common network. Persistent was founded in 2007 and has offices in New York City, Colorado, Montana, North Carolina, North Dakota, and Wyoming.